Total Acid Number Standard 0.5 Back Catalog number: S-4340-0.5 Manufacturer: CHIRON AS Availability: 3 weeks Price on request - + Recommended 8644.12-50-NN 1,2,8,9-Tetrachlorodibenzo-p-dioxin,50 µg/mL,n-nonane,1mL, Price on request 677979 Methidathion, 100 µg/ml, Toluene, 1ml Price on request 683097 Triasulfuron, 100 µg/ml, Acetonitrile, 5ml Price on request